as affordable as cancer
The batteries used in the electric cars were $1000/kwh in 2010 but have fallen to $200/kwh and will continue to fall so that by 2035 20% of the cars worldwide(led by china) will be electric.
The price of offshore wind turbines have been falling and falling to the point that the Atlantic states are now planning to install. The European companies who are experienced at this have moved into the US to do the work.